Kurt Russell
Dexter Riley
Michael McGreevey
Schuyler
William Schallert
Prof. Quigley
James Gregory
Chief Blair
John Debney
John (Student)
Derrel Maury
Hector (Student)
David R. Ellis
David (Student)
Larry Franco
Larry (Student)
Fritz Feld
Uncle Frederick
Raymond Bailey
Regent Burns
Dick Patterson
Mr. Secretary
Kathleen Freeman
Officer Hurley
Eddie Quillan
Mr. Willoughby
Burt Mustin
Regent Appleby
William Bakewell
Professor
Lennie Weinrib
State Coach
Francis De Sales
Regent (uncredited)
Harry Holcombe
Regent (uncredited)
John Holland
Regent (uncredited)
Gordon Jump
Krinkle Krunch Executive (uncredited)
Jack Perkins
School Security Guard (uncredited)
Cosmo Sardo
Crumply Crunch Executive (uncredited)
Jeffrey Sayre
Crumply Crunch Executive (uncredited)